The complete Modbus RTU guide for field engineers
Modbus RTU technical guide: frame, function codes, holding registers, RS-485, exception debugging, and industrial installation best practices.
modbusindustrial-automationrs-485
Tech blog
Blog
Field-oriented posts for automation and telecom engineers — practical guides, comparisons and case studies built around the AEM-60DC8.
12 min
Modbus RTU Simulator in Python: a step-by-step tutorial for SCADA integrators
Practical tutorial for building a Modbus RTU simulator in Python and validating SCADA integration with the AEM-60DC8 before the hardware ships.
modbuspythonsimulator
Ed25519 signed firmware: why it matters on the factory floor
Why Ed25519 digital signatures on firmware matter in industrial environments: attacks they prevent, chain of trust, signing ceremony and a checklist for PLC and HMI vendors.
industrial-cybersecurityfirmwareed25519
How to size a DC monitor for a 24/7 industrial panel
Field guide for automation engineers sizing channels, voltage range, polling, isolation and environment of a DC monitor in a 24/7 industrial panel.
dc-monitoringsizingindustrial-panel
Modbus RTU vs Modbus TCP: how to decide without falling for myths
Technical comparison between Modbus RTU and Modbus TCP across physical layer, frame, latency, security, cost and real scenarios, with decision matrix and the role of the AEM-60DC8.
modbus-rtumodbus-tcpindustrial-automation
Modbus data types explained — coils, discrete inputs, input registers and holding registers
Modbus data types in practice: coils, discrete inputs, input registers and holding registers, addressing, function codes and real field pitfalls.
modbusholding-registersindustrial-automation
Persistent anti-rollback in industrial firmware: why it matters
How persistent anti-rollback counters in industrial firmware block downgrade attacks, why digital signatures alone are not enough, classical mechanisms (TAMP, OTP, RTC), versioning policy, and how the AEM-60DC8 implements it.
industrial-cybersecurityfirmwareanti-rollback
Solar string monitoring over Modbus RTU: from voltage divider to SCADA
How to measure, alarm and integrate string-by-string in a solar plant using RS-485, resistive dividers and Modbus RTU, with the common design pitfalls.
solar-pvsolar-stringsmodbus-rtu
16×4 LCD vs touchscreen HMI in industrial panels: when each one belongs
Technical comparison between 16×4 character LCD with 3 keys and touchscreen HMI in industrial panels: total cost, reliability, cybersecurity and application decision matrix.
lcd-16x4touchscreen-hmiindustrial-panel
Case study: monitoring a 48 V rectifier in a Tier III edge data center
How a regional operator of Tier III edge data centers instrumented 48 V rectifiers and a LiFePO4 bank with AEM-60DC8, retired phantom alarms and avoided a battery crash — anonymized illustrative case study.
case-studydata-center48v-rectifier